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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-fluoro-7-(methylsulfonyl)-2,3-dihydro-1H-inden-1-one 1672665-29-0 C10H9FO3S
    4-fluoro-7-(methylsulfonyl)-2,3-dihydro-1H-inden-1-one
    —— 4-[2-(2-Oxo-2-piperidin-1-yl-ethylcarbamoyl)-2-(toluene-4-sulfonylamino)-ethyl]-thiobenzimidic acid methyl ester; hydriodide 90282-34-1 C25H32N4O4S2*HI
    4-[2-(2-Oxo-2-piperidin-1-yl-ethylcarbamoyl)-2-(toluene-4-sulfonylamino)-ethyl]-thiobenzimidic acid methyl ester; hydriodide
    —— (4S,7S,10aS)-methyl 4-((2R,5R)-2,5-dibenzyl-6-((S)-1-(2-chlorobenzyl)-2-oxoazepan-3-ylamino)-6-oxohexanamido)-5-oxooctahydro-2H-pyrido[2,1-b][1,3]thiazepine-7-carboxylate 1400675-45-7 C44H53ClN4O6S
    (4S,7S,10aS)-methyl 4-((2R,5R)-2,5-dibenzyl-6-((S)-1-(2-chlorobenzyl)-2-oxoazepan-3-ylamino)-6-oxohexanamido)-5-oxooctahydro-2H-pyrido[2,1-b][1,3]thiazepine-7-carboxylate
    —— 4-chloro-1-ethoxypyridinium chloride 80706-28-1 C7H9ClNO*Cl
    4-chloro-1-ethoxypyridinium chloride
    —— 4'-methoxy-3'-(5-methyl-1H-benzo[d]imidazol-2-yl)-[1,1'-biphenyl]-4-carbonitrile 1393649-69-8 C22H17N3O
    4'-methoxy-3'-(5-methyl-1H-benzo[d]imidazol-2-yl)-[1,1'-biphenyl]-4-carbonitrile
    —— (4aR,6aR,6bS,12aS,12bR,14aS,14bR)-2,2,4a,6a,9,10,12b,14a-Octamethyl-1,2,3,4,4a,5,6,6a,6b,7,11,12,12a,12b,13,14,14a,14b-octadecahydro-picene 13720-35-9 C30H48
    (4aR,6aR,6bS,12aS,12bR,14aS,14bR)-2,2,4a,6a,9,10,12b,14a-Octamethyl-1,2,3,4,4a,5,6,6a,6b,7,11,12,12a,12b,13,14,14a,14b-octadecahydro-picene
    —— [4-(2-hydroxy-2-methyl-propoxy)-3-methyl-phenyl]-[10-(methoxymethyl)-8-[3-(trifluoromethyl)phenyl]-11-oxa-3,8-diazaspiro[5.5]undecan-3-yl]methanone 1400641-76-0 C29H37F3N2O5
    [4-(2-hydroxy-2-methyl-propoxy)-3-methyl-phenyl]-[10-(methoxymethyl)-8-[3-(trifluoromethyl)phenyl]-11-oxa-3,8-diazaspiro[5.5]undecan-3-yl]methanone
    —— 4-(2,3,3a,4,6,6a-hexahydro-1H-pyrrolo[3,4-c]pyrrol-5-yl)-N-methyl-2-(1,5-naphthyridin-3-ylsulfanyl)-9H-pyrimido[4,5-b]indol-8-amine 1400801-77-5 C25H24N8S
    4-(2,3,3a,4,6,6a-hexahydro-1H-pyrrolo[3,4-c]pyrrol-5-yl)-N-methyl-2-(1,5-naphthyridin-3-ylsulfanyl)-9H-pyrimido[4,5-b]indol-8-amine
    —— 4,4-Dimethyl-4aα,5-epoxy-A-homo-5α-cholestane-3α,6β-diol 3,6-Diacetate 105995-92-4 C34H56O5
    4,4-Dimethyl-4aα,5-epoxy-A-homo-5α-cholestane-3α,6β-diol 3,6-Diacetate
    —— 4-chloro-2-[1-(2-hydroxy-ethyl)-1<i>H</i>-pyrazol-3-yl]-phenol 36365-07-8 C11H11ClN2O2
    4-chloro-2-[1-(2-hydroxy-ethyl)-1<i>H</i>-pyrazol-3-yl]-phenol
    —— 4-O-(α-D-glucopyranosyl)-α-D-galactopyranosyl phosphate 105761-60-2 C12H23O14P
    4-O-(α-D-glucopyranosyl)-α-D-galactopyranosyl phosphate
    —— (4bS,8S)-3,6,9-Trihydroxy-2-isopropyl-4b,8-dimethyl-5,6,7,8-tetrahydro-4bH-phenanthrene-1,4,10-trione 24277-77-8 C19H22O6
    (4bS,8S)-3,6,9-Trihydroxy-2-isopropyl-4b,8-dimethyl-5,6,7,8-tetrahydro-4bH-phenanthrene-1,4,10-trione
    —— 4-((2-Chloromethyl)-phenyl)-4H-dinaphth<2,1-c:1',2'-e>azepine 184096-74-0 C29H22ClN
    4-((2-Chloromethyl)-phenyl)-4H-dinaphth<2,1-c:1',2'-e>azepine
    —— 4,4'-Dihydroxy-3',5'-dimethyl-chalkon 2618-83-9 C17H16O3
    4,4'-Dihydroxy-3',5'-dimethyl-chalkon
    —— 4-(2H-1,3-benzodioxol-5-yl)benzohydrazide 1421511-66-1 C14H12N2O3
    4-(2H-1,3-benzodioxol-5-yl)benzohydrazide
    —— 4-[(4-methyl-1H-indol-5-yl)amino]-5-{(E)-2-[5-(pyrrolidin-1-ylmethyl)pyridin-2-yl]ethenyl}pyridine-3-carbonitrile 1160920-24-0 C27H26N6
    4-[(4-methyl-1H-indol-5-yl)amino]-5-{(E)-2-[5-(pyrrolidin-1-ylmethyl)pyridin-2-yl]ethenyl}pyridine-3-carbonitrile
    —— 4-(2-((2-(naphthalen-1-yl)propanoyl)amino)-4-(4-fluorobenzoylaminomethyl)phenyl)butanoic acid 499151-09-6 C31H29FN2O4
    4-(2-((2-(naphthalen-1-yl)propanoyl)amino)-4-(4-fluorobenzoylaminomethyl)phenyl)butanoic acid
    —— 4-(4-(3,4-dimethoxyphenyl)-1H-pyrazol-3-yl)benzene-1,3-diol 558636-53-6 C17H16N2O4
    4-(4-(3,4-dimethoxyphenyl)-1H-pyrazol-3-yl)benzene-1,3-diol
    —— 4-ethoxy-6-(2-furyl)-5-(4-pyridyl)-2-pyrimidinylamine 518353-39-4 C15H14N4O2
    4-ethoxy-6-(2-furyl)-5-(4-pyridyl)-2-pyrimidinylamine
    —— (4-{2-[4-(2-{2-[2-fluoroethoxy]ethoxy}ethoxy)phenyl]vinyl}phenyl)methylcarbamic acid tert-butyl ester 902142-93-2 C26H34FNO5
    (4-{2-[4-(2-{2-[2-fluoroethoxy]ethoxy}ethoxy)phenyl]vinyl}phenyl)methylcarbamic acid tert-butyl ester
    —— 4-(2-hydroxy-phenyl)-2-methoxy-6-phenyl-nicotinonitrile 30155-69-2 C19H14N2O2
    4-(2-hydroxy-phenyl)-2-methoxy-6-phenyl-nicotinonitrile
    —— 4-[N-(2',4'-DIMETHYLPHENYL)CARBAMOYLOXIMINO]-1,3-OXATHIOLANE 54266-52-3 C12H14N2O3S
    4-[N-(2',4'-DIMETHYLPHENYL)CARBAMOYLOXIMINO]-1,3-OXATHIOLANE
    —— 4-((4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)methyl)benzonitrile 164648-32-2 C13H13N3O2
    4-((4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)methyl)benzonitrile
    —— 4-(4-p-tolyl-1H-imidazol-2-yl)thiomorpholine-3,5-dione 1590443-73-4 C14H13N3O2S
    4-(4-p-tolyl-1H-imidazol-2-yl)thiomorpholine-3,5-dione
    —— (4-nitrobenzylidene)-2-(2-chlorophenoxy)nicotinic acid hydrazide 1254691-98-9 C19H13ClN4O4
    (4-nitrobenzylidene)-2-(2-chlorophenoxy)nicotinic acid hydrazide
    —— 4-amino-3-chlor-5-methoxy-2(5H)-furanon 130751-84-7 C5H6ClNO3
    4-amino-3-chlor-5-methoxy-2(5H)-furanon
    —— 4-(4-methoxy-phenyl)-1-methyl-2,3-dihydro-pyrrole; hydrochloride 60336-52-9 C12H15NO*ClH
    4-(4-methoxy-phenyl)-1-methyl-2,3-dihydro-pyrrole; hydrochloride
    —— 4,5,7,8-tetrahydroimidazo[4,5-d]azepine-6-carboxylic acid 2-(4-cyclopropanoylphenyl)ethyl ester 303021-10-5 C20H23N3O3
    4,5,7,8-tetrahydroimidazo[4,5-d]azepine-6-carboxylic acid 2-(4-cyclopropanoylphenyl)ethyl ester
    —— 4-[9-Cyano-6-[4-(2,5-dihydroxyphenyl)phenyl]-4-methyl-2-oxopyrido[1,2-a]pyrimidin-8-yl]benzoic acid 1311286-25-5 C29H19N3O5
    4-[9-Cyano-6-[4-(2,5-dihydroxyphenyl)phenyl]-4-methyl-2-oxopyrido[1,2-a]pyrimidin-8-yl]benzoic acid
    —— 4-(1,4,7,10-tetraoxaundecanyl)-benzo-15-crown-5 106875-51-8 C21H34O9
    4-(1,4,7,10-tetraoxaundecanyl)-benzo-15-crown-5
    —— (4R,4aR,7R,7aR)-4,7-dimethyl-2,3,4,4a,5,6,7,7a-octahydro-1H-cyclopenta[c]pyridine 1192690-46-2 C10H19N
    (4R,4aR,7R,7aR)-4,7-dimethyl-2,3,4,4a,5,6,7,7a-octahydro-1H-cyclopenta[c]pyridine
    —— 4-((1-hydroxy-3-(nitromethyl)-1,3-dihydrobenzo[c][1,2]oxaborol-7-yl)oxy)-butyric acid ethyl ester 1093644-07-5 C14H18BNO7
    4-((1-hydroxy-3-(nitromethyl)-1,3-dihydrobenzo[c][1,2]oxaborol-7-yl)oxy)-butyric acid ethyl ester
    —— 4-methyl-4,16-diazatetracyclo[7.7.0.02,7.010,15]hexadeca-1(9),10,12,14-tetraen-8-one 94742-12-8 C15H16N2O
    4-methyl-4,16-diazatetracyclo[7.7.0.02,7.010,15]hexadeca-1(9),10,12,14-tetraen-8-one
    —— 4-chloro-2-ethylsulfanyl-5-methoxy-pyrimidine 49547-21-9 C7H9ClN2OS
    4-chloro-2-ethylsulfanyl-5-methoxy-pyrimidine
    —— 4-(1,4-Dimethyl-2,3,7-trioxa-bicyclo[2.2.1]hept-5-yl)-butan-2-one 55109-40-5 C10H16O4
    4-(1,4-Dimethyl-2,3,7-trioxa-bicyclo[2.2.1]hept-5-yl)-butan-2-one
    —— (4S,6R,7S)-7-{2-[2-(2-Chloro-acetylamino)-thiazol-4-yl]-2-[(Z)-methoxyimino]-acetylamino}-4-methyl-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 72292-48-9 C17H18ClN5O6S
    (4S,6R,7S)-7-{2-[2-(2-Chloro-acetylamino)-thiazol-4-yl]-2-[(Z)-methoxyimino]-acetylamino}-4-methyl-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 4-[2-(3,5-Dinitro-phenyl)-acetyl]-1-methyl-pyridinium; bromide 114443-62-8 Br*C14H12N3O5
    4-[2-(3,5-Dinitro-phenyl)-acetyl]-1-methyl-pyridinium; bromide
    —— 4-amino-2-methallyl-3-thio-6-methyl-4H-1,2,4-triazin-5-one 592552-80-2 C8H12N4OS
    4-amino-2-methallyl-3-thio-6-methyl-4H-1,2,4-triazin-5-one
    —— 4-[3-[4-[4-(3-fluorobenzoyl)piperazin-1-yl]butyl]-2,5-dihydro-4-methyl-2,5-dioxo-1H-pyrrol-1-yl]-2-(trifluoromethyl)benzonitrile 534607-55-1 C28H26F4N4O3
    4-[3-[4-[4-(3-fluorobenzoyl)piperazin-1-yl]butyl]-2,5-dihydro-4-methyl-2,5-dioxo-1H-pyrrol-1-yl]-2-(trifluoromethyl)benzonitrile
    —— 4-<2-Benzoyl-4-chlorophenyl>-3,5-dibromo-1,2,4-triazol 57698-40-5 C15H8Br2ClN3O
    4-<2-Benzoyl-4-chlorophenyl>-3,5-dibromo-1,2,4-triazol
    —— 4,6'-Dimethyl-2,2'-methylen-4,6'-dinitrodiphenol 26600-11-3 C15H14N2O6
    4,6'-Dimethyl-2,2'-methylen-4,6'-dinitrodiphenol
    —— 4-(4,6-dimethyl-[1,3,5]triazin-2-yl)-5-methyl-pyridazine-3,6-dicarboxylic acid dimethyl ester 58099-42-6 C14H15N5O4
    4-(4,6-dimethyl-[1,3,5]triazin-2-yl)-5-methyl-pyridazine-3,6-dicarboxylic acid dimethyl ester
    —— 4-[2-(5-Methyl-1,2,4-oxadiazol-3-yl)phenoxy]benzenamine 307308-94-7 C15H13N3O2
    4-[2-(5-Methyl-1,2,4-oxadiazol-3-yl)phenoxy]benzenamine
    —— 4-acetoxydec-5-ynyl acetate 942217-61-0 C14H22O4
    4-acetoxydec-5-ynyl acetate
    —— (4-(5-(4-(4-isobutylbenzyloxy)benzylidene)-3-methyl-4-oxothiazolidin-2-ylideneamino)phenyl)acetic acid 1186633-65-7 C30H30N2O4S
    (4-(5-(4-(4-isobutylbenzyloxy)benzylidene)-3-methyl-4-oxothiazolidin-2-ylideneamino)phenyl)acetic acid
    —— (4'-methylsulfonyloxyspiro[1,3-dihydroindene-2,1'-cyclohexane]-1-yl) acetate 56868-40-7 C17H22O5S
    (4'-methylsulfonyloxyspiro[1,3-dihydroindene-2,1'-cyclohexane]-1-yl) acetate
    —— 4-Oxo-dispiro[2.1.2.3]decane-1,6-dicarboxylic acid dimethyl ester 58435-75-9 C14H18O5
    4-Oxo-dispiro[2.1.2.3]decane-1,6-dicarboxylic acid dimethyl ester
    —— (4-oxo-6,7-dihydro-4<i>H</i>-pyrazolo[5,1-<i>c</i>][1,4]oxazin-2-yloxy)-acetic acid benzyl ester 58365-10-9 C15H14N2O5
    (4-oxo-6,7-dihydro-4<i>H</i>-pyrazolo[5,1-<i>c</i>][1,4]oxazin-2-yloxy)-acetic acid benzyl ester
    —— 4-(3-Ethyl-2-thioureido)-1,2-dimethylimidazol-carbonsaeureethylester 58192-95-3 C11H18N4O2S
    4-(3-Ethyl-2-thioureido)-1,2-dimethylimidazol-carbonsaeureethylester
    —— 4-phenylpent-3-en-2-yl 2-(trimethylsilyl)acetate 1371641-24-5 C16H24O2Si
    4-phenylpent-3-en-2-yl 2-(trimethylsilyl)acetate